• Is eating a 3 musketeers bar while drinking a Dr. Pepper a good idea?

    I recently went to a gas station and purchased both a 3 musketeers bar and a Dr. Pepper before exiting the building. When I ate the candy I still had some in my mouth and decided to wash it down with some Dr. Pepper a...
    Adam Johnson
    last modified by Adam Johnson
  • A Chemical Thought Experiment:  If two Hydrogen atoms were to collide, then a Hydrogen molecule will be formed?

    Think xyz axis in space. Assume there are two Hydrogen atoms on the x axis. Assume they are heading toward each other along the x axis. Then what do you predict will happen? A Hydrogen molecule will necessarily be...
    Mitsuru Yamada
    last modified by Mitsuru Yamada
  • End of physics? End of reductionism?

    Dear all,   As always, please take a break and have some coffee, Sirs.   I am now reading a book "Quantum Divide" written by C.C. Gerry and K. M. Bruno, published from Oxford University Press.   In c...
    Mitsuru Yamada
    last modified by Mitsuru Yamada
  • Space and matter

    Dear all,   As always, please take a break first and have some tea before reading this blog, Sirs.   I like to think about the empty vacuum space.  If we are floating in the free weightless vacuum spa...
    Mitsuru Yamada
    last modified by Mitsuru Yamada
  • Quantum world: How is an electron moving in an atom?

    As always, please be relaxed and have some beverage before reading this blog, Sirs.   I am wondering about the way an electron exists and about the way the electron moves in an atom or in a molecule.   It ...
    Mitsuru Yamada
    last modified by Mitsuru Yamada
  • Origin of life problem.  What the evolution is riddle.

    Dear readers,   Recently I have read a book "What is life? How chemistry becomes biology" written by Addy Pross published from Oxford University Press. Did you read that book too? Referering to Fig. 6 on page ...
    Mitsuru Yamada
    last modified by Mitsuru Yamada
  • Where can I obtain the ACS material specifications for ACS grade methanol and n-butyl acetate?

    I am specifically looking for ACS specs for ACS grade 99.8% methanol and 99.5% n-butyl acetate.
    Daniel Werman
    last modified by Daniel Werman
  • A petit chemical question

    Dear all,   First please be informed that as to the chemistry I am a perfect layman.   Please consider a phenol molecule of which -OH group is attached onto some substrate surface.  And please assume ...
    Mitsuru Yamada
    last modified by Mitsuru Yamada
  • Is there really a connection between the electromagnetic energy and the mechanical energy?

    Dear all,   I would repeat the question that I posted in my previous blog "A missing link in atomic physics."   But before proceeding, please take a break and have some beverage, Sirs.   The question...
    Mitsuru Yamada
    last modified by Mitsuru Yamada
  • Schroedinger's cat.  A cat-in-the-box experiment

    Immediately after the lid is closed, no one knows the state in the box.  This statement seems to be true.  The common sense says that at some time later, the radioactive material will decay and the diabolica...
    Mitsuru Yamada
    last modified by Mitsuru Yamada
  • A missing link in atomic physics

    Please feel at home, and have some coffee for a while.   When I was a student about 40 years ago, I believed in everything that was printed in textbooks.  You are believing, I presume, in the theory that a ...
    Mitsuru Yamada
    last modified by Mitsuru Yamada
  • About a photon

    Dear all   Please be relaxed.  And have some coffee while reading this blog.   I am reading a book.  It is still the "Schroedinger's Kittens."  According to the book, a single photon can now...
    Mitsuru Yamada
    last modified by Mitsuru Yamada
  • Eigenstate to eigenstate

    Dear all,   About 8 years ago, I had been investigating an energy transfer process from a quantum mechanical system to another.  Attached is the report.  If you have interest in quantum mechanical tran...
    Mitsuru Yamada
    last modified by Mitsuru Yamada
  • The speed of a photon

    In the electromagnetism, we refer to the electromagnetic wave as a light.  On the other side, in quantum mechanics, we refer to the same electromagnetic wave as a photon.  Inn relativistic theory, the light ...
    Mitsuru Yamada
    created by Mitsuru Yamada
  • How do you think about the uncertainty principle for two particles that are interacting with each other?

    As you know well, the Heisenberg's uncertainty principle is well known by the inequality like,   (delta x)(delta p)>h/2         (1)   for a single particle. ...
    Mitsuru Yamada
    created by Mitsuru Yamada
  • Why are the gravitational mass and the inertial mass of an object same?

    Here I would like to present you three elementary questions.   Q1.  What is the origin of inertial mass of an object? Q2.  What is the origin of gravitational mass of an object? Q3.  Are there a...
    Mitsuru Yamada
    created by Mitsuru Yamada
  • Wanted: The proof that the electromagnetic advanced potential wave that propagates backward in time can really exist.

    Usual textbook on electromagnetism derives and shows us the two solutions from the original wave equation with source electronic density distribution function and source electric current density distribution function....
    Mitsuru Yamada
    created by Mitsuru Yamada
  • Does the Schroedinger's equation have the advanced wave solution that travels backward in time?

    My answer is not. When a Schroedinger equation is written like,   HY=ih(dY/dt)                (1)   then the solution may be writ...
    Mitsuru Yamada
    last modified by Mitsuru Yamada
  • A need to rewrite the kinetic theory of gas?

    When I became a sophomore about 38 years ago, I had for the first time heard the word "mean free path" of a gas molecule.  Then when I became a junior next year, I had been taught about an elementary kinetic theo...
    Mitsuru Yamada
    created by Mitsuru Yamada
  • Diameter of a photon?

    Think the quantum mechanical double slits experiment.  Quantum mechanical entities show the particle-wave dual nature in the experiment.  It is said that an electron travels as a wave, but departs and arrive...
    Mitsuru Yamada
    created by Mitsuru Yamada